Read Sharp MX-1800N (serv.man13) Service Manual online
MX-1800N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 16
Q. Rollers
No.
Name
Function/ Operation
Note
1
Paper feed roller (Manual paper feed tray)
Feeds paper to the paper transport section.
2
Separation roller (Manual paper feed tray)
Separate paper to prevent against double feed.
3
Paper pickup roller (Manual paper feed tray)
Feeds paper to the paper feed roller.
4
Paper feed roller (No. 1 paper feed tray)
Feeds paper to the paper transport section.
5
Paper pickup roller (No. 1 paper feed tray)
Feeds paper to the paper feed roller.
6
Separation roller (No. 1 paper feed tray)
Separates paper to prevent against double feed.
7
Paper feed roller (No. 2 paper feed tray)
Feeds paper to the paper transport section.
8
Paper pickup roller (No. 2 paper feed tray)
Feeds paper to the paper feed roller.
9
Separation roller (No. 2 paper feed tray)
Separates paper to prevent against double feed.
10
Resist roller (Drive)
Transports paper to the transfer section. Controls the paper transport
timing to adjust relative relations between images and paper.
timing to adjust relative relations between images and paper.
11
Resist roller (Idle)
Applies a pressure to paper and the resist roller to give paper the
transport power of the transport roller.
transport power of the transport roller.
12
Transport roller 1 (Idle)
Applies a pressure to paper and the resist roller to give paper the
transport power of the transport roller.
transport power of the transport roller.
13
Transport roller 1 (Drive)
Transports paper from No. 3 and No. 4 paper feed tray to the
transport roller 4.
transport roller 4.
14
Transport roller 3 (Idle)
Reduces friction between paper and the paper guide.
15
Transport roller 4 (Idle)
Applies a pressure to paper and the transport roller to give paper the
transport power of the transport roller.
transport power of the transport roller.
16
Transport roller 4 (Drive)
Transports paper from the transport roller 1 and paper feed roller (No.
2 paper feed tray) to the transport roller 7.
2 paper feed tray) to the transport roller 7.
17
Transport roller 5 (Drive)
Transports paper from the paper feed tray 1 to the transport roller 7.
18
Transport roller 5 (Idle)
Applies a pressure to paper and the transport roller to give paper the
transport power of the transport roller.
transport power of the transport roller.
19
Transport roller 6 (Idle)
Reduces friction between paper and the paper guide.
20
Transport roller 7 (Idle)
Applies a pressure to paper and the transport roller to give paper the
transport power of the transport roller.
transport power of the transport roller.
35
34
32
33
36
37
24
25
27
24
25
27
26
38
28
39
29
3
2
6
20
19
18
17
15
9
14
12
13
13
16
21
22
4
23
5
31
30
1
10
11
7
8
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